Hi! Regarding the identification of hosts based on motherboard UUID i thought to post some info to spare developers of ganglia of some wasted seconds :) So : on rhel systems you must do : yum install python-dmidecode (so gmond should have dependency on this package that is found in distros repo)
and the small python script (taken from the example of developers of
python-demidecode) would be like this (removed all comments for space
reasons) :
import dmidecode
import sys, os
from pprint import pprint
def print_warnings():
"Simple function, dumping out warnings with a prefix if warnings
are found and clearing warning buffer"
warn = dmidecode.get_warnings()
if warn:
print "### WARNING: %s" % warn
dmidecode.clear_warnings()
root_user = (os.getuid() == 0 and True or False)
if not root_user:
print "#### NOT RUNNING AS ROOT"
dmixml = dmidecode.dmidecodeXML()
dmixml.SetResultType(dmidecode.DMIXML_DOC)
xmldoc = dmixml.QuerySection('all')
dmixp = xmldoc.xpathNewContext()
data = dmixp.xpathEval('/dmidecode/SystemInfo/SystemUUID')
for d in data:
print "%s" % (d.get_content())
del dmixp
del xmldoc
HTH,
Adrian
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